The Broadway Ballroom at the Marriott Marquis was sold out Saturday night, October 8, as the Mix Foundation presented the 21st annual Technical Excellence & Creativity Awards. More than 800 audio pros were treated to the amped-up comedy of host Will Lee, a serenade by Chaka Khan to her producer and TEC Hall of Fame inductee, Arif Mardin, and a special tribute to Les Paul Award winner David Byrne, with a guitar presented by the 90-year-old master himself. Without further ado, the winners…